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Finding the Fourth Proportional to 1,195.90, 1,794.51 and 465.51

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Solution

The fourth proportional to 1,195.90, 1,794.51 and 465.51 is: 698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.90 : 1,794.51 = 465.51 : x
  2. Step 2: Convert to fraction form
    1,195.90/1,794.51 = 465.51/x
  3. Step 3: Cross multiply
    1,195.90x = 1,794.51 × 465.51
  4. Step 4: Simplify right side
    1,195.90x = 835,362.35
  5. Step 5: Solve for x
    x = 835,362.35/1,195.90
  6. Step 6: Final answer
    x = 698.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.